Detects lack of motion should wearer be incapacitated and unable to move through injury, etc. after 4 minutes of inactivity and emits a warning alarm. Full 100dB alarm activated after a further minute.

Especially useful for personnel working within warehouse environments, underground, in the building trade and for security workers, etc.
Sturdy ABS case with on/off switch
Flashing LED power-on indicator
Supplied complete with belt clip and wall-mounting bracket (unit should be switched off when not in use)
Supplied with 9V alkaline battery